2104440553 has 2 divisors, whose sum is σ = 2104440554. Its totient is φ = 2104440552.

The previous prime is 2104440539. The next prime is 2104440577. The reversal of 2104440553 is 3550444012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2005875369 + 98565184 = 44787^2 + 9928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104440553 is a prime.

It is a super-2 number, since 2×2104440553² = 8857340082221891618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2104440953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052220276 + 1052220277.

It is an arithmetic number, because the mean of its divisors is an integer number (1052220277).

Almost surely, 2^2104440553 is an apocalyptic number.

It is an amenable number.

2104440553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104440553 is an equidigital number, since it uses as much as digits as its factorization.

2104440553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2104440553 is about 45874.1817692697. The cubic root of 2104440553 is about 1281.4811453433.

Adding to 2104440553 its reverse (3550444012), we get a palindrome (5654884565).

The spelling of 2104440553 in words is "two billion, one hundred four million, four hundred forty thousand, five hundred fifty-three".